2 Unix SMB/CIFS implementation.
3 Wrap disk only vfs functions to sidestep dodgy compilers.
4 Copyright (C) Tim Potter 1998
5 Copyright (C) Jeremy Allison 2007
6 Copyright (C) Brian Chrisman 2011 <bchrisman@gmail.com>
7 Copyright (C) Richard Sharpe 2011 <realrichardsharpe@gmail.com>
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * This VFS only works with the libceph.so user-space client. It is not needed
25 * if you are using the kernel client or the FUSE client.
27 * Add the following smb.conf parameter to each share that will be hosted on
30 * vfs objects = ceph [any others you need go here]
34 #include "smbd/smbd.h"
35 #include "system/filesys.h"
37 #include <sys/statvfs.h>
38 #include "cephfs/libcephfs.h"
39 #include "smbprofile.h"
40 #include "modules/posixacl_xattr.h"
41 #include "lib/util/tevent_unix.h"
44 #define DBGC_CLASS DBGC_VFS
46 #ifndef LIBCEPHFS_VERSION
47 #define LIBCEPHFS_VERSION(maj, min, extra) ((maj << 16) + (min << 8) + extra)
48 #define LIBCEPHFS_VERSION_CODE LIBCEPHFS_VERSION(0, 0, 0)
52 * Use %llu whenever we have a 64bit unsigned int, and cast to (long long unsigned)
54 #define llu(_var) ((long long unsigned)_var)
57 * Note, libceph's return code model is to return -errno! So we have to convert
58 * to what Samba expects, with is set errno to -return and return -1
60 #define WRAP_RETURN(_res) \
69 * Track unique connections, as virtual mounts, to cephfs file systems.
70 * Individual mounts will be set on the handle->data attribute, but
71 * the mounts themselves will be shared so as not to spawn extra mounts
74 * Individual mounts are IDed by a 'cookie' value that is a string built
75 * from identifying parameters found in smb.conf.
78 static struct cephmount_cached {
81 struct ceph_mount_info *mount;
82 struct cephmount_cached *next, *prev;
85 static int cephmount_cache_add(const char *cookie,
86 struct ceph_mount_info *mount)
88 struct cephmount_cached *entry = NULL;
90 entry = talloc_zero(NULL, struct cephmount_cached);
96 entry->cookie = talloc_strdup(entry, cookie);
97 if (entry->cookie == NULL) {
103 entry->mount = mount;
106 DBG_DEBUG("adding mount cache entry for %s\n", entry->cookie);
107 DLIST_ADD(cephmount_cached, entry);
111 static struct ceph_mount_info *cephmount_cache_update(const char *cookie)
113 struct cephmount_cached *entry = NULL;
115 for (entry = cephmount_cached; entry; entry = entry->next) {
116 if (strcmp(entry->cookie, cookie) == 0) {
118 DBG_DEBUG("updated mount cache: count is [%"
119 PRIu32 "]\n", entry->count);
128 static int cephmount_cache_remove(struct ceph_mount_info *mount)
130 struct cephmount_cached *entry = NULL;
132 for (entry = cephmount_cached; entry; entry = entry->next) {
133 if (entry->mount == mount) {
134 if (--entry->count) {
135 DBG_DEBUG("updated mount cache: count is [%"
136 PRIu32 "]\n", entry->count);
140 DBG_DEBUG("removing mount cache entry for %s\n",
142 DLIST_REMOVE(cephmount_cached, entry);
151 static char *cephmount_get_cookie(TALLOC_CTX * mem_ctx, const int snum)
153 const char *conf_file =
154 lp_parm_const_string(snum, "ceph", "config_file", ".");
155 const char *user_id = lp_parm_const_string(snum, "ceph", "user_id", "");
157 lp_parm_const_string(snum, "ceph", "filesystem", "");
158 return talloc_asprintf(mem_ctx, "(%s/%s/%s)", conf_file, user_id,
162 static int cephmount_select_fs(struct ceph_mount_info *mnt, const char *fsname)
165 * ceph_select_filesystem was added in ceph 'nautilus' (v14).
166 * Earlier versions of libcephfs will lack that API function.
167 * At the time of this writing (Feb 2023) all versions of ceph
168 * supported by ceph upstream have this function.
170 #if defined(HAVE_CEPH_SELECT_FILESYSTEM)
171 DBG_DEBUG("[CEPH] calling: ceph_select_filesystem with %s\n", fsname);
172 return ceph_select_filesystem(mnt, fsname);
174 DBG_ERR("[CEPH] ceph_select_filesystem not available\n");
179 static struct ceph_mount_info *cephmount_mount_fs(const int snum)
183 struct ceph_mount_info *mnt = NULL;
184 /* if config_file and/or user_id are NULL, ceph will use defaults */
185 const char *conf_file =
186 lp_parm_const_string(snum, "ceph", "config_file", NULL);
187 const char *user_id =
188 lp_parm_const_string(snum, "ceph", "user_id", NULL);
190 lp_parm_const_string(snum, "ceph", "filesystem", NULL);
192 DBG_DEBUG("[CEPH] calling: ceph_create\n");
193 ret = ceph_create(&mnt, user_id);
199 DBG_DEBUG("[CEPH] calling: ceph_conf_read_file with %s\n",
200 (conf_file == NULL ? "default path" : conf_file));
201 ret = ceph_conf_read_file(mnt, conf_file);
206 DBG_DEBUG("[CEPH] calling: ceph_conf_get\n");
207 ret = ceph_conf_get(mnt, "log file", buf, sizeof(buf));
212 /* libcephfs disables POSIX ACL support by default, enable it... */
213 ret = ceph_conf_set(mnt, "client_acl_type", "posix_acl");
217 /* tell libcephfs to perform local permission checks */
218 ret = ceph_conf_set(mnt, "fuse_default_permissions", "false");
223 * select a cephfs file system to use:
224 * In ceph, multiple file system support has been stable since 'pacific'.
225 * Permit different shares to access different file systems.
227 if (fsname != NULL) {
228 ret = cephmount_select_fs(mnt, fsname);
234 DBG_DEBUG("[CEPH] calling: ceph_mount\n");
235 ret = ceph_mount(mnt, NULL);
243 DBG_DEBUG("[CEPH] Error mounting fs: %s\n", strerror(-ret));
246 * Handle the error correctly. Ceph returns -errno.
254 /* Check for NULL pointer parameters in cephwrap_* functions */
256 /* We don't want to have NULL function pointers lying around. Someone
257 is sure to try and execute them. These stubs are used to prevent
260 static int cephwrap_connect(struct vfs_handle_struct *handle,
261 const char *service, const char *user)
264 struct ceph_mount_info *cmount = NULL;
265 int snum = SNUM(handle->conn);
266 char *cookie = cephmount_get_cookie(handle, snum);
267 if (cookie == NULL) {
271 cmount = cephmount_cache_update(cookie);
272 if (cmount != NULL) {
276 cmount = cephmount_mount_fs(snum);
277 if (cmount == NULL) {
281 ret = cephmount_cache_add(cookie, cmount);
287 handle->data = cmount;
289 * Unless we have an async implementation of getxattrat turn this off.
291 lp_do_parameter(SNUM(handle->conn), "smbd async dosmode", "false");
297 static void cephwrap_disconnect(struct vfs_handle_struct *handle)
299 int ret = cephmount_cache_remove(handle->data);
301 DBG_ERR("failed to remove ceph mount from cache: %s\n",
306 DBG_DEBUG("mount cache entry still in use\n");
310 ret = ceph_unmount(handle->data);
312 DBG_ERR("[CEPH] failed to unmount: %s\n", strerror(-ret));
315 ret = ceph_release(handle->data);
317 DBG_ERR("[CEPH] failed to release: %s\n", strerror(-ret));
322 /* Disk operations */
324 static uint64_t cephwrap_disk_free(struct vfs_handle_struct *handle,
325 const struct smb_filename *smb_fname,
330 struct statvfs statvfs_buf;
333 if (!(ret = ceph_statfs(handle->data, smb_fname->base_name,
336 * Provide all the correct values.
338 *bsize = statvfs_buf.f_bsize;
339 *dfree = statvfs_buf.f_bavail;
340 *dsize = statvfs_buf.f_blocks;
341 DBG_DEBUG("[CEPH] bsize: %llu, dfree: %llu, dsize: %llu\n",
342 llu(*bsize), llu(*dfree), llu(*dsize));
345 DBG_DEBUG("[CEPH] ceph_statfs returned %d\n", ret);
350 static int cephwrap_get_quota(struct vfs_handle_struct *handle,
351 const struct smb_filename *smb_fname,
352 enum SMB_QUOTA_TYPE qtype,
356 /* libceph: Ceph does not implement this */
358 /* was ifdef HAVE_SYS_QUOTAS */
361 ret = ceph_get_quota(handle->conn->connectpath, qtype, id, qt);
375 static int cephwrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
377 /* libceph: Ceph does not implement this */
379 /* was ifdef HAVE_SYS_QUOTAS */
382 ret = ceph_set_quota(handle->conn->connectpath, qtype, id, qt);
390 WRAP_RETURN(-ENOSYS);
394 static int cephwrap_statvfs(struct vfs_handle_struct *handle,
395 const struct smb_filename *smb_fname,
396 struct vfs_statvfs_struct *statbuf)
398 struct statvfs statvfs_buf;
401 ret = ceph_statfs(handle->data, smb_fname->base_name, &statvfs_buf);
406 statbuf->OptimalTransferSize = statvfs_buf.f_frsize;
407 statbuf->BlockSize = statvfs_buf.f_bsize;
408 statbuf->TotalBlocks = statvfs_buf.f_blocks;
409 statbuf->BlocksAvail = statvfs_buf.f_bfree;
410 statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
411 statbuf->TotalFileNodes = statvfs_buf.f_files;
412 statbuf->FreeFileNodes = statvfs_buf.f_ffree;
413 statbuf->FsIdentifier = statvfs_buf.f_fsid;
414 DBG_DEBUG("[CEPH] f_bsize: %ld, f_blocks: %ld, f_bfree: %ld, f_bavail: %ld\n",
415 (long int)statvfs_buf.f_bsize, (long int)statvfs_buf.f_blocks,
416 (long int)statvfs_buf.f_bfree, (long int)statvfs_buf.f_bavail);
421 static uint32_t cephwrap_fs_capabilities(struct vfs_handle_struct *handle,
422 enum timestamp_set_resolution *p_ts_res)
424 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
426 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
431 /* Directory operations */
433 static DIR *cephwrap_fdopendir(struct vfs_handle_struct *handle,
434 struct files_struct *fsp,
439 struct ceph_dir_result *result;
440 DBG_DEBUG("[CEPH] fdopendir(%p, %p)\n", handle, fsp);
442 ret = ceph_opendir(handle->data, fsp->fsp_name->base_name, &result);
445 errno = -ret; /* We return result which is NULL in this case */
448 DBG_DEBUG("[CEPH] fdopendir(...) = %d\n", ret);
449 return (DIR *) result;
452 static struct dirent *cephwrap_readdir(struct vfs_handle_struct *handle,
453 struct files_struct *dirfsp,
456 struct dirent *result;
458 DBG_DEBUG("[CEPH] readdir(%p, %p)\n", handle, dirp);
459 result = ceph_readdir(handle->data, (struct ceph_dir_result *) dirp);
460 DBG_DEBUG("[CEPH] readdir(...) = %p\n", result);
465 static void cephwrap_rewinddir(struct vfs_handle_struct *handle, DIR *dirp)
467 DBG_DEBUG("[CEPH] rewinddir(%p, %p)\n", handle, dirp);
468 ceph_rewinddir(handle->data, (struct ceph_dir_result *) dirp);
471 static int cephwrap_mkdirat(struct vfs_handle_struct *handle,
472 files_struct *dirfsp,
473 const struct smb_filename *smb_fname,
476 struct smb_filename *full_fname = NULL;
479 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
482 if (full_fname == NULL) {
486 DBG_DEBUG("[CEPH] mkdir(%p, %s)\n",
487 handle, smb_fname_str_dbg(full_fname));
489 result = ceph_mkdir(handle->data, full_fname->base_name, mode);
491 TALLOC_FREE(full_fname);
493 return WRAP_RETURN(result);
496 static int cephwrap_closedir(struct vfs_handle_struct *handle, DIR *dirp)
500 DBG_DEBUG("[CEPH] closedir(%p, %p)\n", handle, dirp);
501 result = ceph_closedir(handle->data, (struct ceph_dir_result *) dirp);
502 DBG_DEBUG("[CEPH] closedir(...) = %d\n", result);
506 /* File operations */
508 static int cephwrap_openat(struct vfs_handle_struct *handle,
509 const struct files_struct *dirfsp,
510 const struct smb_filename *smb_fname,
512 const struct vfs_open_how *how)
514 int flags = how->flags;
515 mode_t mode = how->mode;
516 struct smb_filename *name = NULL;
517 bool have_opath = false;
518 bool became_root = false;
519 int result = -ENOENT;
521 if (how->resolve != 0) {
527 * ceph doesn't have openat().
529 if (fsp_get_pathref_fd(dirfsp) != AT_FDCWD) {
530 name = full_path_from_dirfsp_atname(talloc_tos(),
539 DBG_DEBUG("[CEPH] openat(%p, %s, %p, %d, %d)\n", handle,
540 smb_fname_str_dbg(smb_fname), fsp, flags, mode);
542 if (smb_fname->stream_name) {
548 if (fsp->fsp_flags.is_pathref) {
553 if (fsp->fsp_flags.is_pathref && !have_opath) {
558 result = ceph_open(handle->data, smb_fname->base_name, flags, mode);
566 fsp->fsp_flags.have_proc_fds = false;
567 DBG_DEBUG("[CEPH] open(...) = %d\n", result);
571 static int cephwrap_close(struct vfs_handle_struct *handle, files_struct *fsp)
575 DBG_DEBUG("[CEPH] close(%p, %p)\n", handle, fsp);
576 result = ceph_close(handle->data, fsp_get_pathref_fd(fsp));
577 DBG_DEBUG("[CEPH] close(...) = %d\n", result);
582 static ssize_t cephwrap_pread(struct vfs_handle_struct *handle, files_struct *fsp, void *data,
583 size_t n, off_t offset)
587 DBG_DEBUG("[CEPH] pread(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
589 result = ceph_read(handle->data, fsp_get_io_fd(fsp), data, n, offset);
590 DBG_DEBUG("[CEPH] pread(...) = %llu\n", llu(result));
594 struct cephwrap_pread_state {
596 struct vfs_aio_state vfs_aio_state;
600 * Fake up an async ceph read by calling the synchronous API.
602 static struct tevent_req *cephwrap_pread_send(struct vfs_handle_struct *handle,
604 struct tevent_context *ev,
605 struct files_struct *fsp,
607 size_t n, off_t offset)
609 struct tevent_req *req = NULL;
610 struct cephwrap_pread_state *state = NULL;
613 DBG_DEBUG("[CEPH] %s\n", __func__);
614 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pread_state);
619 ret = ceph_read(handle->data, fsp_get_io_fd(fsp), data, n, offset);
621 /* ceph returns -errno on error. */
622 tevent_req_error(req, -ret);
623 return tevent_req_post(req, ev);
626 state->bytes_read = ret;
627 tevent_req_done(req);
628 /* Return and schedule the completion of the call. */
629 return tevent_req_post(req, ev);
632 static ssize_t cephwrap_pread_recv(struct tevent_req *req,
633 struct vfs_aio_state *vfs_aio_state)
635 struct cephwrap_pread_state *state =
636 tevent_req_data(req, struct cephwrap_pread_state);
638 DBG_DEBUG("[CEPH] %s\n", __func__);
639 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
642 *vfs_aio_state = state->vfs_aio_state;
643 return state->bytes_read;
646 static ssize_t cephwrap_pwrite(struct vfs_handle_struct *handle, files_struct *fsp, const void *data,
647 size_t n, off_t offset)
651 DBG_DEBUG("[CEPH] pwrite(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
652 result = ceph_write(handle->data, fsp_get_io_fd(fsp), data, n, offset);
653 DBG_DEBUG("[CEPH] pwrite(...) = %llu\n", llu(result));
657 struct cephwrap_pwrite_state {
658 ssize_t bytes_written;
659 struct vfs_aio_state vfs_aio_state;
663 * Fake up an async ceph write by calling the synchronous API.
665 static struct tevent_req *cephwrap_pwrite_send(struct vfs_handle_struct *handle,
667 struct tevent_context *ev,
668 struct files_struct *fsp,
670 size_t n, off_t offset)
672 struct tevent_req *req = NULL;
673 struct cephwrap_pwrite_state *state = NULL;
676 DBG_DEBUG("[CEPH] %s\n", __func__);
677 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pwrite_state);
682 ret = ceph_write(handle->data, fsp_get_io_fd(fsp), data, n, offset);
684 /* ceph returns -errno on error. */
685 tevent_req_error(req, -ret);
686 return tevent_req_post(req, ev);
689 state->bytes_written = ret;
690 tevent_req_done(req);
691 /* Return and schedule the completion of the call. */
692 return tevent_req_post(req, ev);
695 static ssize_t cephwrap_pwrite_recv(struct tevent_req *req,
696 struct vfs_aio_state *vfs_aio_state)
698 struct cephwrap_pwrite_state *state =
699 tevent_req_data(req, struct cephwrap_pwrite_state);
701 DBG_DEBUG("[CEPH] %s\n", __func__);
702 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
705 *vfs_aio_state = state->vfs_aio_state;
706 return state->bytes_written;
709 static off_t cephwrap_lseek(struct vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
713 DBG_DEBUG("[CEPH] cephwrap_lseek\n");
714 result = ceph_lseek(handle->data, fsp_get_io_fd(fsp), offset, whence);
718 static ssize_t cephwrap_sendfile(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
719 off_t offset, size_t n)
722 * We cannot support sendfile because libceph is in user space.
724 DBG_DEBUG("[CEPH] cephwrap_sendfile\n");
729 static ssize_t cephwrap_recvfile(struct vfs_handle_struct *handle,
736 * We cannot support recvfile because libceph is in user space.
738 DBG_DEBUG("[CEPH] cephwrap_recvfile\n");
743 static int cephwrap_renameat(struct vfs_handle_struct *handle,
744 files_struct *srcfsp,
745 const struct smb_filename *smb_fname_src,
746 files_struct *dstfsp,
747 const struct smb_filename *smb_fname_dst)
749 struct smb_filename *full_fname_src = NULL;
750 struct smb_filename *full_fname_dst = NULL;
753 DBG_DEBUG("[CEPH] cephwrap_renameat\n");
754 if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
759 full_fname_src = full_path_from_dirfsp_atname(talloc_tos(),
762 if (full_fname_src == NULL) {
766 full_fname_dst = full_path_from_dirfsp_atname(talloc_tos(),
769 if (full_fname_dst == NULL) {
770 TALLOC_FREE(full_fname_src);
775 result = ceph_rename(handle->data,
776 full_fname_src->base_name,
777 full_fname_dst->base_name);
779 TALLOC_FREE(full_fname_src);
780 TALLOC_FREE(full_fname_dst);
786 * Fake up an async ceph fsync by calling the synchronous API.
789 static struct tevent_req *cephwrap_fsync_send(struct vfs_handle_struct *handle,
791 struct tevent_context *ev,
794 struct tevent_req *req = NULL;
795 struct vfs_aio_state *state = NULL;
798 DBG_DEBUG("[CEPH] cephwrap_fsync_send\n");
800 req = tevent_req_create(mem_ctx, &state, struct vfs_aio_state);
805 /* Make sync call. */
806 ret = ceph_fsync(handle->data, fsp_get_io_fd(fsp), false);
809 /* ceph_fsync returns -errno on error. */
810 tevent_req_error(req, -ret);
811 return tevent_req_post(req, ev);
814 /* Mark it as done. */
815 tevent_req_done(req);
816 /* Return and schedule the completion of the call. */
817 return tevent_req_post(req, ev);
820 static int cephwrap_fsync_recv(struct tevent_req *req,
821 struct vfs_aio_state *vfs_aio_state)
823 struct vfs_aio_state *state =
824 tevent_req_data(req, struct vfs_aio_state);
826 DBG_DEBUG("[CEPH] cephwrap_fsync_recv\n");
828 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
831 *vfs_aio_state = *state;
835 #define SAMBA_STATX_ATTR_MASK (CEPH_STATX_BASIC_STATS|CEPH_STATX_BTIME)
837 static void init_stat_ex_from_ceph_statx(struct stat_ex *dst, const struct ceph_statx *stx)
839 DBG_DEBUG("[CEPH]\tstx = {dev = %llx, ino = %llu, mode = 0x%x, "
840 "nlink = %llu, uid = %d, gid = %d, rdev = %llx, size = %llu, "
841 "blksize = %llu, blocks = %llu, atime = %llu, mtime = %llu, "
842 "ctime = %llu, btime = %llu}\n",
843 llu(stx->stx_dev), llu(stx->stx_ino), stx->stx_mode,
844 llu(stx->stx_nlink), stx->stx_uid, stx->stx_gid,
845 llu(stx->stx_rdev), llu(stx->stx_size), llu(stx->stx_blksize),
846 llu(stx->stx_blocks), llu(stx->stx_atime.tv_sec),
847 llu(stx->stx_mtime.tv_sec), llu(stx->stx_ctime.tv_sec),
848 llu(stx->stx_btime.tv_sec));
850 if ((stx->stx_mask & SAMBA_STATX_ATTR_MASK) != SAMBA_STATX_ATTR_MASK) {
851 DBG_WARNING("%s: stx->stx_mask is incorrect (wanted %x, got %x)",
852 __func__, SAMBA_STATX_ATTR_MASK, stx->stx_mask);
855 dst->st_ex_dev = stx->stx_dev;
856 dst->st_ex_rdev = stx->stx_rdev;
857 dst->st_ex_ino = stx->stx_ino;
858 dst->st_ex_mode = stx->stx_mode;
859 dst->st_ex_uid = stx->stx_uid;
860 dst->st_ex_gid = stx->stx_gid;
861 dst->st_ex_size = stx->stx_size;
862 dst->st_ex_nlink = stx->stx_nlink;
863 dst->st_ex_atime = stx->stx_atime;
864 dst->st_ex_btime = stx->stx_btime;
865 dst->st_ex_ctime = stx->stx_ctime;
866 dst->st_ex_mtime = stx->stx_mtime;
867 dst->st_ex_blksize = stx->stx_blksize;
868 dst->st_ex_blocks = stx->stx_blocks;
871 static int cephwrap_stat(struct vfs_handle_struct *handle,
872 struct smb_filename *smb_fname)
875 struct ceph_statx stx;
877 DBG_DEBUG("[CEPH] stat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
879 if (smb_fname->stream_name) {
884 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
885 SAMBA_STATX_ATTR_MASK, 0);
886 DBG_DEBUG("[CEPH] statx(...) = %d\n", result);
891 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
892 DBG_DEBUG("[CEPH] mode = 0x%x\n", smb_fname->st.st_ex_mode);
896 static int cephwrap_fstat(struct vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
899 struct ceph_statx stx;
900 int fd = fsp_get_pathref_fd(fsp);
902 DBG_DEBUG("[CEPH] fstat(%p, %d)\n", handle, fd);
903 result = ceph_fstatx(handle->data, fd, &stx,
904 SAMBA_STATX_ATTR_MASK, 0);
905 DBG_DEBUG("[CEPH] fstat(...) = %d\n", result);
910 init_stat_ex_from_ceph_statx(sbuf, &stx);
911 DBG_DEBUG("[CEPH] mode = 0x%x\n", sbuf->st_ex_mode);
915 static int cephwrap_lstat(struct vfs_handle_struct *handle,
916 struct smb_filename *smb_fname)
919 struct ceph_statx stx;
921 DBG_DEBUG("[CEPH] lstat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
923 if (smb_fname->stream_name) {
928 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
929 SAMBA_STATX_ATTR_MASK, AT_SYMLINK_NOFOLLOW);
930 DBG_DEBUG("[CEPH] lstat(...) = %d\n", result);
935 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
939 static int cephwrap_fntimes(struct vfs_handle_struct *handle,
941 struct smb_file_time *ft)
943 struct ceph_statx stx = { 0 };
947 if (!is_omit_timespec(&ft->atime)) {
948 stx.stx_atime = ft->atime;
949 mask |= CEPH_SETATTR_ATIME;
951 if (!is_omit_timespec(&ft->mtime)) {
952 stx.stx_mtime = ft->mtime;
953 mask |= CEPH_SETATTR_MTIME;
955 if (!is_omit_timespec(&ft->create_time)) {
956 stx.stx_btime = ft->create_time;
957 mask |= CEPH_SETATTR_BTIME;
964 if (!fsp->fsp_flags.is_pathref) {
966 * We can use an io_fd to set xattrs.
968 result = ceph_fsetattrx(handle->data,
974 * This is no longer a handle based call.
976 result = ceph_setattrx(handle->data,
977 fsp->fsp_name->base_name,
983 DBG_DEBUG("[CEPH] ntimes(%p, %s, {%ld, %ld, %ld, %ld}) = %d\n",
984 handle, fsp_str_dbg(fsp), ft->mtime.tv_sec, ft->atime.tv_sec,
985 ft->ctime.tv_sec, ft->create_time.tv_sec, result);
990 static int cephwrap_unlinkat(struct vfs_handle_struct *handle,
991 struct files_struct *dirfsp,
992 const struct smb_filename *smb_fname,
995 struct smb_filename *full_fname = NULL;
998 DBG_DEBUG("[CEPH] unlink(%p, %s)\n",
1000 smb_fname_str_dbg(smb_fname));
1002 if (smb_fname->stream_name) {
1007 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1010 if (full_fname == NULL) {
1014 if (flags & AT_REMOVEDIR) {
1015 result = ceph_rmdir(handle->data, full_fname->base_name);
1017 result = ceph_unlink(handle->data, full_fname->base_name);
1019 TALLOC_FREE(full_fname);
1020 DBG_DEBUG("[CEPH] unlink(...) = %d\n", result);
1021 WRAP_RETURN(result);
1024 static int cephwrap_fchmod(struct vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1028 DBG_DEBUG("[CEPH] fchmod(%p, %p, %d)\n", handle, fsp, mode);
1029 if (!fsp->fsp_flags.is_pathref) {
1031 * We can use an io_fd to remove xattrs.
1033 result = ceph_fchmod(handle->data, fsp_get_io_fd(fsp), mode);
1036 * This is no longer a handle based call.
1038 result = ceph_chmod(handle->data,
1039 fsp->fsp_name->base_name,
1042 DBG_DEBUG("[CEPH] fchmod(...) = %d\n", result);
1043 WRAP_RETURN(result);
1046 static int cephwrap_fchown(struct vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
1050 DBG_DEBUG("[CEPH] fchown(%p, %p, %d, %d)\n", handle, fsp, uid, gid);
1051 result = ceph_fchown(handle->data, fsp_get_io_fd(fsp), uid, gid);
1052 DBG_DEBUG("[CEPH] fchown(...) = %d\n", result);
1053 WRAP_RETURN(result);
1056 static int cephwrap_lchown(struct vfs_handle_struct *handle,
1057 const struct smb_filename *smb_fname,
1062 DBG_DEBUG("[CEPH] lchown(%p, %s, %d, %d)\n", handle, smb_fname->base_name, uid, gid);
1063 result = ceph_lchown(handle->data, smb_fname->base_name, uid, gid);
1064 DBG_DEBUG("[CEPH] lchown(...) = %d\n", result);
1065 WRAP_RETURN(result);
1068 static int cephwrap_chdir(struct vfs_handle_struct *handle,
1069 const struct smb_filename *smb_fname)
1072 DBG_DEBUG("[CEPH] chdir(%p, %s)\n", handle, smb_fname->base_name);
1073 result = ceph_chdir(handle->data, smb_fname->base_name);
1074 DBG_DEBUG("[CEPH] chdir(...) = %d\n", result);
1075 WRAP_RETURN(result);
1078 static struct smb_filename *cephwrap_getwd(struct vfs_handle_struct *handle,
1081 const char *cwd = ceph_getcwd(handle->data);
1082 DBG_DEBUG("[CEPH] getwd(%p) = %s\n", handle, cwd);
1083 return synthetic_smb_fname(ctx,
1091 static int strict_allocate_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1093 off_t space_to_write;
1096 SMB_STRUCT_STAT *pst;
1098 status = vfs_stat_fsp(fsp);
1099 if (!NT_STATUS_IS_OK(status)) {
1102 pst = &fsp->fsp_name->st;
1105 if (S_ISFIFO(pst->st_ex_mode))
1109 if (pst->st_ex_size == len)
1112 /* Shrink - just ftruncate. */
1113 if (pst->st_ex_size > len) {
1114 result = ceph_ftruncate(handle->data, fsp_get_io_fd(fsp), len);
1115 WRAP_RETURN(result);
1118 space_to_write = len - pst->st_ex_size;
1119 result = ceph_fallocate(handle->data, fsp_get_io_fd(fsp), 0, pst->st_ex_size,
1121 WRAP_RETURN(result);
1124 static int cephwrap_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1128 DBG_DEBUG("[CEPH] ftruncate(%p, %p, %llu\n", handle, fsp, llu(len));
1130 if (lp_strict_allocate(SNUM(fsp->conn))) {
1131 return strict_allocate_ftruncate(handle, fsp, len);
1134 result = ceph_ftruncate(handle->data, fsp_get_io_fd(fsp), len);
1135 WRAP_RETURN(result);
1138 static int cephwrap_fallocate(struct vfs_handle_struct *handle,
1139 struct files_struct *fsp,
1146 DBG_DEBUG("[CEPH] fallocate(%p, %p, %u, %llu, %llu\n",
1147 handle, fsp, mode, llu(offset), llu(len));
1148 /* unsupported mode flags are rejected by libcephfs */
1149 result = ceph_fallocate(handle->data, fsp_get_io_fd(fsp), mode, offset, len);
1150 DBG_DEBUG("[CEPH] fallocate(...) = %d\n", result);
1151 WRAP_RETURN(result);
1154 static bool cephwrap_lock(struct vfs_handle_struct *handle, files_struct *fsp, int op, off_t offset, off_t count, int type)
1156 DBG_DEBUG("[CEPH] lock\n");
1160 static int cephwrap_filesystem_sharemode(struct vfs_handle_struct *handle,
1162 uint32_t share_access,
1163 uint32_t access_mask)
1165 DBG_ERR("[CEPH] filesystem sharemodes unsupported! Consider setting "
1166 "\"kernel share modes = no\"\n");
1172 static int cephwrap_fcntl(vfs_handle_struct *handle,
1173 files_struct *fsp, int cmd, va_list cmd_arg)
1176 * SMB_VFS_FCNTL() is currently only called by vfs_set_blocking() to
1177 * clear O_NONBLOCK, etc for LOCK_MAND and FIFOs. Ignore it.
1179 if (cmd == F_GETFL) {
1181 } else if (cmd == F_SETFL) {
1182 va_list dup_cmd_arg;
1185 va_copy(dup_cmd_arg, cmd_arg);
1186 opt = va_arg(dup_cmd_arg, int);
1187 va_end(dup_cmd_arg);
1191 DBG_ERR("unexpected fcntl SETFL(%d)\n", opt);
1194 DBG_ERR("unexpected fcntl: %d\n", cmd);
1200 static bool cephwrap_getlock(struct vfs_handle_struct *handle, files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid)
1202 DBG_DEBUG("[CEPH] getlock returning false and errno=0\n");
1209 * We cannot let this fall through to the default, because the file might only
1210 * be accessible from libceph (which is a user-space client) but the fd might
1211 * be for some file the kernel knows about.
1213 static int cephwrap_linux_setlease(struct vfs_handle_struct *handle, files_struct *fsp,
1218 DBG_DEBUG("[CEPH] linux_setlease\n");
1223 static int cephwrap_symlinkat(struct vfs_handle_struct *handle,
1224 const struct smb_filename *link_target,
1225 struct files_struct *dirfsp,
1226 const struct smb_filename *new_smb_fname)
1228 struct smb_filename *full_fname = NULL;
1231 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1234 if (full_fname == NULL) {
1238 DBG_DEBUG("[CEPH] symlink(%p, %s, %s)\n", handle,
1239 link_target->base_name,
1240 full_fname->base_name);
1242 result = ceph_symlink(handle->data,
1243 link_target->base_name,
1244 full_fname->base_name);
1245 TALLOC_FREE(full_fname);
1246 DBG_DEBUG("[CEPH] symlink(...) = %d\n", result);
1247 WRAP_RETURN(result);
1250 static int cephwrap_readlinkat(struct vfs_handle_struct *handle,
1251 const struct files_struct *dirfsp,
1252 const struct smb_filename *smb_fname,
1256 struct smb_filename *full_fname = NULL;
1259 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1262 if (full_fname == NULL) {
1266 DBG_DEBUG("[CEPH] readlink(%p, %s, %p, %llu)\n", handle,
1267 full_fname->base_name, buf, llu(bufsiz));
1269 result = ceph_readlink(handle->data, full_fname->base_name, buf, bufsiz);
1270 TALLOC_FREE(full_fname);
1271 DBG_DEBUG("[CEPH] readlink(...) = %d\n", result);
1272 WRAP_RETURN(result);
1275 static int cephwrap_linkat(struct vfs_handle_struct *handle,
1276 files_struct *srcfsp,
1277 const struct smb_filename *old_smb_fname,
1278 files_struct *dstfsp,
1279 const struct smb_filename *new_smb_fname,
1282 struct smb_filename *full_fname_old = NULL;
1283 struct smb_filename *full_fname_new = NULL;
1286 full_fname_old = full_path_from_dirfsp_atname(talloc_tos(),
1289 if (full_fname_old == NULL) {
1292 full_fname_new = full_path_from_dirfsp_atname(talloc_tos(),
1295 if (full_fname_new == NULL) {
1296 TALLOC_FREE(full_fname_old);
1300 DBG_DEBUG("[CEPH] link(%p, %s, %s)\n", handle,
1301 full_fname_old->base_name,
1302 full_fname_new->base_name);
1304 result = ceph_link(handle->data,
1305 full_fname_old->base_name,
1306 full_fname_new->base_name);
1307 DBG_DEBUG("[CEPH] link(...) = %d\n", result);
1308 TALLOC_FREE(full_fname_old);
1309 TALLOC_FREE(full_fname_new);
1310 WRAP_RETURN(result);
1313 static int cephwrap_mknodat(struct vfs_handle_struct *handle,
1314 files_struct *dirfsp,
1315 const struct smb_filename *smb_fname,
1319 struct smb_filename *full_fname = NULL;
1322 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1325 if (full_fname == NULL) {
1329 DBG_DEBUG("[CEPH] mknodat(%p, %s)\n", handle, full_fname->base_name);
1330 result = ceph_mknod(handle->data, full_fname->base_name, mode, dev);
1331 DBG_DEBUG("[CEPH] mknodat(...) = %d\n", result);
1333 TALLOC_FREE(full_fname);
1335 WRAP_RETURN(result);
1339 * This is a simple version of real-path ... a better version is needed to
1340 * ask libceph about symbolic links.
1342 static struct smb_filename *cephwrap_realpath(struct vfs_handle_struct *handle,
1344 const struct smb_filename *smb_fname)
1346 char *result = NULL;
1347 const char *path = smb_fname->base_name;
1348 size_t len = strlen(path);
1349 struct smb_filename *result_fname = NULL;
1352 if (len && (path[0] == '/')) {
1353 r = asprintf(&result, "%s", path);
1354 } else if ((len >= 2) && (path[0] == '.') && (path[1] == '/')) {
1356 r = asprintf(&result, "%s",
1357 handle->conn->cwd_fsp->fsp_name->base_name);
1359 r = asprintf(&result, "%s/%s",
1360 handle->conn->cwd_fsp->fsp_name->base_name, &path[2]);
1363 r = asprintf(&result, "%s/%s",
1364 handle->conn->cwd_fsp->fsp_name->base_name, path);
1371 DBG_DEBUG("[CEPH] realpath(%p, %s) = %s\n", handle, path, result);
1372 result_fname = synthetic_smb_fname(ctx,
1379 return result_fname;
1383 static int cephwrap_fchflags(struct vfs_handle_struct *handle,
1384 struct files_struct *fsp,
1391 static NTSTATUS cephwrap_get_real_filename_at(
1392 struct vfs_handle_struct *handle,
1393 struct files_struct *dirfsp,
1395 TALLOC_CTX *mem_ctx,
1399 * Don't fall back to get_real_filename so callers can differentiate
1400 * between a full directory scan and an actual case-insensitive stat.
1402 return NT_STATUS_NOT_SUPPORTED;
1405 static const char *cephwrap_connectpath(
1406 struct vfs_handle_struct *handle,
1407 const struct files_struct *dirfsp,
1408 const struct smb_filename *smb_fname)
1410 return handle->conn->connectpath;
1413 /****************************************************************
1414 Extended attribute operations.
1415 *****************************************************************/
1417 static ssize_t cephwrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
1420 DBG_DEBUG("[CEPH] fgetxattr(%p, %p, %s, %p, %llu)\n", handle, fsp, name, value, llu(size));
1421 ret = ceph_fgetxattr(handle->data, fsp_get_io_fd(fsp), name, value, size);
1422 DBG_DEBUG("[CEPH] fgetxattr(...) = %d\n", ret);
1426 return (ssize_t)ret;
1429 static ssize_t cephwrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
1432 DBG_DEBUG("[CEPH] flistxattr(%p, %p, %p, %llu)\n",
1433 handle, fsp, list, llu(size));
1434 if (!fsp->fsp_flags.is_pathref) {
1436 * We can use an io_fd to list xattrs.
1438 ret = ceph_flistxattr(handle->data,
1444 * This is no longer a handle based call.
1446 ret = ceph_listxattr(handle->data,
1447 fsp->fsp_name->base_name,
1451 DBG_DEBUG("[CEPH] flistxattr(...) = %d\n", ret);
1455 return (ssize_t)ret;
1458 static int cephwrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
1461 DBG_DEBUG("[CEPH] fremovexattr(%p, %p, %s)\n", handle, fsp, name);
1462 if (!fsp->fsp_flags.is_pathref) {
1464 * We can use an io_fd to remove xattrs.
1466 ret = ceph_fremovexattr(handle->data, fsp_get_io_fd(fsp), name);
1469 * This is no longer a handle based call.
1471 ret = ceph_removexattr(handle->data,
1472 fsp->fsp_name->base_name,
1475 DBG_DEBUG("[CEPH] fremovexattr(...) = %d\n", ret);
1479 static int cephwrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
1482 DBG_DEBUG("[CEPH] fsetxattr(%p, %p, %s, %p, %llu, %d)\n", handle, fsp, name, value, llu(size), flags);
1483 if (!fsp->fsp_flags.is_pathref) {
1485 * We can use an io_fd to set xattrs.
1487 ret = ceph_fsetxattr(handle->data,
1495 * This is no longer a handle based call.
1497 ret = ceph_setxattr(handle->data,
1498 fsp->fsp_name->base_name,
1504 DBG_DEBUG("[CEPH] fsetxattr(...) = %d\n", ret);
1508 static bool cephwrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
1512 * We do not support AIO yet.
1515 DBG_DEBUG("[CEPH] cephwrap_aio_force(%p, %p) = false (errno = ENOTSUP)\n", handle, fsp);
1520 static NTSTATUS cephwrap_create_dfs_pathat(struct vfs_handle_struct *handle,
1521 struct files_struct *dirfsp,
1522 const struct smb_filename *smb_fname,
1523 const struct referral *reflist,
1524 size_t referral_count)
1526 TALLOC_CTX *frame = talloc_stackframe();
1527 NTSTATUS status = NT_STATUS_NO_MEMORY;
1529 char *msdfs_link = NULL;
1530 struct smb_filename *full_fname = NULL;
1532 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1535 if (full_fname == NULL) {
1539 /* Form the msdfs_link contents */
1540 msdfs_link = msdfs_link_string(frame,
1543 if (msdfs_link == NULL) {
1547 ret = ceph_symlink(handle->data,
1549 full_fname->base_name);
1551 status = NT_STATUS_OK;
1553 status = map_nt_error_from_unix(-ret);
1558 DBG_DEBUG("[CEPH] create_dfs_pathat(%s) = %s\n",
1559 full_fname != NULL ? full_fname->base_name : "",
1567 * Read and return the contents of a DFS redirect given a
1568 * pathname. A caller can pass in NULL for ppreflist and
1569 * preferral_count but still determine if this was a
1570 * DFS redirect point by getting NT_STATUS_OK back
1571 * without incurring the overhead of reading and parsing
1572 * the referral contents.
1575 static NTSTATUS cephwrap_read_dfs_pathat(struct vfs_handle_struct *handle,
1576 TALLOC_CTX *mem_ctx,
1577 struct files_struct *dirfsp,
1578 struct smb_filename *smb_fname,
1579 struct referral **ppreflist,
1580 size_t *preferral_count)
1582 NTSTATUS status = NT_STATUS_NO_MEMORY;
1584 char *link_target = NULL;
1587 #if defined(HAVE_BROKEN_READLINK)
1588 char link_target_buf[PATH_MAX];
1590 char link_target_buf[7];
1592 struct ceph_statx stx;
1593 struct smb_filename *full_fname = NULL;
1596 if (is_named_stream(smb_fname)) {
1597 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1601 if (ppreflist == NULL && preferral_count == NULL) {
1603 * We're only checking if this is a DFS
1604 * redirect. We don't need to return data.
1606 bufsize = sizeof(link_target_buf);
1607 link_target = link_target_buf;
1610 link_target = talloc_array(mem_ctx, char, bufsize);
1616 full_fname = full_path_from_dirfsp_atname(talloc_tos(),
1619 if (full_fname == NULL) {
1620 status = NT_STATUS_NO_MEMORY;
1624 ret = ceph_statx(handle->data,
1625 full_fname->base_name,
1627 SAMBA_STATX_ATTR_MASK,
1628 AT_SYMLINK_NOFOLLOW);
1630 status = map_nt_error_from_unix(-ret);
1634 referral_len = ceph_readlink(handle->data,
1635 full_fname->base_name,
1638 if (referral_len < 0) {
1639 /* ceph errors are -errno. */
1640 if (-referral_len == EINVAL) {
1641 DBG_INFO("%s is not a link.\n",
1642 full_fname->base_name);
1643 status = NT_STATUS_OBJECT_TYPE_MISMATCH;
1645 status = map_nt_error_from_unix(-referral_len);
1646 DBG_ERR("Error reading "
1647 "msdfs link %s: %s\n",
1648 full_fname->base_name,
1653 link_target[referral_len] = '\0';
1655 DBG_INFO("%s -> %s\n",
1656 full_fname->base_name,
1659 if (!strnequal(link_target, "msdfs:", 6)) {
1660 status = NT_STATUS_OBJECT_TYPE_MISMATCH;
1664 if (ppreflist == NULL && preferral_count == NULL) {
1665 /* Early return for checking if this is a DFS link. */
1666 TALLOC_FREE(full_fname);
1667 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
1668 return NT_STATUS_OK;
1671 ok = parse_msdfs_symlink(mem_ctx,
1672 lp_msdfs_shuffle_referrals(SNUM(handle->conn)),
1678 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
1679 status = NT_STATUS_OK;
1681 status = NT_STATUS_NO_MEMORY;
1686 if (link_target != link_target_buf) {
1687 TALLOC_FREE(link_target);
1689 TALLOC_FREE(full_fname);
1693 static struct vfs_fn_pointers ceph_fns = {
1694 /* Disk operations */
1696 .connect_fn = cephwrap_connect,
1697 .disconnect_fn = cephwrap_disconnect,
1698 .disk_free_fn = cephwrap_disk_free,
1699 .get_quota_fn = cephwrap_get_quota,
1700 .set_quota_fn = cephwrap_set_quota,
1701 .statvfs_fn = cephwrap_statvfs,
1702 .fs_capabilities_fn = cephwrap_fs_capabilities,
1704 /* Directory operations */
1706 .fdopendir_fn = cephwrap_fdopendir,
1707 .readdir_fn = cephwrap_readdir,
1708 .rewind_dir_fn = cephwrap_rewinddir,
1709 .mkdirat_fn = cephwrap_mkdirat,
1710 .closedir_fn = cephwrap_closedir,
1712 /* File operations */
1714 .create_dfs_pathat_fn = cephwrap_create_dfs_pathat,
1715 .read_dfs_pathat_fn = cephwrap_read_dfs_pathat,
1716 .openat_fn = cephwrap_openat,
1717 .close_fn = cephwrap_close,
1718 .pread_fn = cephwrap_pread,
1719 .pread_send_fn = cephwrap_pread_send,
1720 .pread_recv_fn = cephwrap_pread_recv,
1721 .pwrite_fn = cephwrap_pwrite,
1722 .pwrite_send_fn = cephwrap_pwrite_send,
1723 .pwrite_recv_fn = cephwrap_pwrite_recv,
1724 .lseek_fn = cephwrap_lseek,
1725 .sendfile_fn = cephwrap_sendfile,
1726 .recvfile_fn = cephwrap_recvfile,
1727 .renameat_fn = cephwrap_renameat,
1728 .fsync_send_fn = cephwrap_fsync_send,
1729 .fsync_recv_fn = cephwrap_fsync_recv,
1730 .stat_fn = cephwrap_stat,
1731 .fstat_fn = cephwrap_fstat,
1732 .lstat_fn = cephwrap_lstat,
1733 .unlinkat_fn = cephwrap_unlinkat,
1734 .fchmod_fn = cephwrap_fchmod,
1735 .fchown_fn = cephwrap_fchown,
1736 .lchown_fn = cephwrap_lchown,
1737 .chdir_fn = cephwrap_chdir,
1738 .getwd_fn = cephwrap_getwd,
1739 .fntimes_fn = cephwrap_fntimes,
1740 .ftruncate_fn = cephwrap_ftruncate,
1741 .fallocate_fn = cephwrap_fallocate,
1742 .lock_fn = cephwrap_lock,
1743 .filesystem_sharemode_fn = cephwrap_filesystem_sharemode,
1744 .fcntl_fn = cephwrap_fcntl,
1745 .linux_setlease_fn = cephwrap_linux_setlease,
1746 .getlock_fn = cephwrap_getlock,
1747 .symlinkat_fn = cephwrap_symlinkat,
1748 .readlinkat_fn = cephwrap_readlinkat,
1749 .linkat_fn = cephwrap_linkat,
1750 .mknodat_fn = cephwrap_mknodat,
1751 .realpath_fn = cephwrap_realpath,
1752 .fchflags_fn = cephwrap_fchflags,
1753 .get_real_filename_at_fn = cephwrap_get_real_filename_at,
1754 .connectpath_fn = cephwrap_connectpath,
1756 /* EA operations. */
1757 .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,
1758 .getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
1759 .fgetxattr_fn = cephwrap_fgetxattr,
1760 .flistxattr_fn = cephwrap_flistxattr,
1761 .fremovexattr_fn = cephwrap_fremovexattr,
1762 .fsetxattr_fn = cephwrap_fsetxattr,
1764 /* Posix ACL Operations */
1765 .sys_acl_get_fd_fn = posixacl_xattr_acl_get_fd,
1766 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
1767 .sys_acl_set_fd_fn = posixacl_xattr_acl_set_fd,
1768 .sys_acl_delete_def_fd_fn = posixacl_xattr_acl_delete_def_fd,
1770 /* aio operations */
1771 .aio_force_fn = cephwrap_aio_force,
1775 NTSTATUS vfs_ceph_init(TALLOC_CTX *ctx)
1777 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,